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Finding the Fourth Proportional to 110,118.24, 151,958.08 and 61,724.32

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Solution

The fourth proportional to 110,118.24, 151,958.08 and 61,724.32 is: 85,176.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,118.24 : 151,958.08 = 61,724.32 : x
  2. Step 2: Convert to fraction form
    110,118.24/151,958.08 = 61,724.32/x
  3. Step 3: Cross multiply
    110,118.24x = 151,958.08 × 61,724.32
  4. Step 4: Simplify right side
    110,118.24x = 9,379,509,156.51
  5. Step 5: Solve for x
    x = 9,379,509,156.51/110,118.24
  6. Step 6: Final answer
    x = 85,176.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.